Inch Sizes Taper Lock Timing Pulleys
Inch Sizes Taper Lock timing pulleys XL, L, H, XH are the basic type of pulleys for belts with trapezoidal profiles and inch pitch. Their design is according to ISO 5296.
They are made of steel with a pilot bore, alternatively unbored.
The pulleys are supplied as a semi-finished product and the bore must be modified before mounting the pulleys on the shafts.
Pulleys Fields of Use
The XL, L, H, XH Taper timing pulleys are designed for all types of XL, L, H XH belts.
They are typically used in older machines with lower and medium performance, for example in packaging machines, in the ceramic, textile, food and tobacco industry and in many other machines. In new applications, they are often replaced by HTD, STD or CTD profiles.
Steel or cast iron.
Other materials to order.
|Surface roughness||ISO 254|
|Balance quality grade||VDI 2060, ISO 1940|
Cast iron pulleys at v < 30 m/s must be balanced.
Pulley Basic Profile
- Pulley XL for belts XL with pitch 5.08 mm - to custom
- Pulley L for belts L with pitch 9.525 mm
- Pulley H for belts H with pitch 12.70 mm
- Pulley XH for belts XH with pitch 22.225 mm - to custom
Pulley Code Description
30 H 150 (Type 5F) TB 1610
Number of pulley teeth
Width of the belt in inches × 1/100 (1,50" = 38.10 mm)
Type of construction
Type of Taper Bush
Documents for Download
TYMA CZ Data Sheets
Czech and English (PDF 1.13 MB)
TYMA CZ Catalogue
Czech and English (PDF 3.64 MB)